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feat: Support multi-module Java projects in tasks #244

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bb03226
feat: Support multi-module Java projects in tasks
drmaniac May 8, 2026
c259bef
feat: Add comprehensive tests for Java task commands
drmaniac May 11, 2026
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10 changes: 6 additions & 4 deletions languages/java/tasks.json
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
[
{
"label": "Run $ZED_CUSTOM_java_class_name",
"command": "pkg=\"${ZED_CUSTOM_java_package_name:}\"; cls=\"$ZED_CUSTOM_java_class_name\"; if [ -n \"$pkg\" ]; then c=\"$pkg.$cls\"; else c=\"$cls\"; fi; if [ -f pom.xml ]; then [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; $CMD clean compile exec:java -Dexec.mainClass=\"$c\"; elif [ -f build.gradle ] || [ -f build.gradle.kts ]; then [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD run -PmainClass=\"$c\"; else find . -name '*.java' -not -path './bin/*' -not -path './target/*' -not -path './build/*' -print0 | xargs -0 javac -d bin && java -cp bin \"$c\"; fi;",
"command": "pkg=\"$ZED_CUSTOM_java_package_name\"; cls=\"$ZED_CUSTOM_java_class_name\"; if [ -n \"$pkg\" ]; then c=\"$pkg.$cls\"; else c=\"$cls\"; fi; f=\"$ZED_FILE\"; p=\"$PWD\"; d=$(dirname \"${f#$p/}\"); if [ -f pom.xml ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/pom.xml\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; if [ \"$m\" = \".\" ]; then $CMD clean test-compile exec:java -Dexec.mainClass=\"$c\" -Dexec.classpathScope=test; else $CMD clean test-compile -pl \"$m\" -am && $CMD exec:java -pl \"$m\" -Dexec.mainClass=\"$c\" -Dexec.classpathScope=test; fi; elif [ -f build.gradle ] || [ -f build.gradle.kts ] || [ -f settings.gradle ] || [ -f settings.gradle.kts ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/build.gradle\" ] || [ -f \"$md/build.gradle.kts\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; if [ \"$m\" = \".\" ]; then mp=\"\"; else mp=\":$(echo \"$m\" | tr '/' ':')\"; fi; [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD ${mp}:run -PmainClass=\"$c\"; else find . -name '*.java' -not -path './bin/*' -not -path './target/*' -not -path './build/*' -print0 | xargs -0 javac -d bin && java -cp bin \"$c\"; fi;",
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@tartarughina tartarughina May 9, 2026

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Why are we using test-compile for running the main class alongside providing the tests' scope?

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@drmaniac drmaniac May 11, 2026

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The switch to test-compile and the test classpath scope increases flexibility. While the previous version only supported classes in src/main/java, this update allows users to run main methods or classes located within the test directory as well.

"use_new_terminal": false,
"reveal": "always",
"tags": ["java-main"],
Expand All @@ -14,7 +14,7 @@
},
{
"label": "$ZED_CUSTOM_java_class_name.${ZED_CUSTOM_java_outer_class_name:}.$ZED_CUSTOM_java_method_name",
"command": "package=\"$ZED_CUSTOM_java_package_name\"; outer=\"${ZED_CUSTOM_java_outer_class_name:}\"; inner=\"$ZED_CUSTOM_java_class_name\"; method=\"$ZED_CUSTOM_java_method_name\"; sep=\"$\"; if [ -n \"$outer\" ]; then c=\"$outer$sep$inner\"; else c=\"$inner\"; fi; if [ -f pom.xml ]; then [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; $CMD clean test -Dtest=\"$package.$c#$method\"; elif [ -f build.gradle ] || [ -f build.gradle.kts ]; then [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD test --tests \"$package.$c.$method\"; else >&2 echo 'No build tool found'; exit 1; fi;",
"command": "package=\"$ZED_CUSTOM_java_package_name\"; outer=\"${ZED_CUSTOM_java_outer_class_name:}\"; inner=\"$ZED_CUSTOM_java_class_name\"; method=\"$ZED_CUSTOM_java_method_name\"; sep=\"$\"; if [ -n \"$outer\" ]; then c=\"$outer$sep$inner\"; else c=\"$inner\"; fi; f=\"$ZED_FILE\"; p=\"$PWD\"; d=$(dirname \"${f#$p/}\"); if [ -f pom.xml ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/pom.xml\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; if [ \"$m\" = \".\" ]; then $CMD clean test -Dtest=\"$package.$c#$method\"; else $CMD clean test-compile -pl \"$m\" -am && $CMD test -pl \"$m\" -Dtest=\"$package.$c#$method\"; fi; elif [ -f build.gradle ] || [ -f build.gradle.kts ] || [ -f settings.gradle ] || [ -f settings.gradle.kts ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/build.gradle\" ] || [ -f \"$md/build.gradle.kts\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; if [ \"$m\" = \".\" ]; then mp=\"\"; else mp=\":$(echo \"$m\" | tr '/' ':')\"; fi; [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD ${mp}:test --tests \"$package.$c.$method\"; else >&2 echo 'No build tool found'; exit 1; fi;",
"use_new_terminal": false,
"reveal": "always",
"tags": ["java-test-method", "java-test-method-nested"],
Expand All @@ -27,7 +27,7 @@
},
{
"label": "Test class $ZED_CUSTOM_java_class_name",
"command": "package=\"$ZED_CUSTOM_java_package_name\"; outer=\"${ZED_CUSTOM_java_outer_class_name:}\"; inner=\"$ZED_CUSTOM_java_class_name\"; sep=\"$\"; if [ -n \"$outer\" ]; then c=\"$outer$sep$inner\"; else c=\"$inner\"; fi; if [ -f pom.xml ]; then [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; $CMD clean test -Dtest=\"$package.$c\"; elif [ -f build.gradle ] || [ -f build.gradle.kts ]; then [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD test --tests \"$package.$c\"; else >&2 echo 'No build tool found'; exit 1; fi;",
"command": "package=\"$ZED_CUSTOM_java_package_name\"; outer=\"${ZED_CUSTOM_java_outer_class_name:}\"; inner=\"$ZED_CUSTOM_java_class_name\"; sep=\"$\"; if [ -n \"$outer\" ]; then c=\"$outer$sep$inner\"; else c=\"$inner\"; fi; f=\"$ZED_FILE\"; p=\"$PWD\"; d=$(dirname \"${f#$p/}\"); if [ -f pom.xml ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/pom.xml\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; if [ \"$m\" = \".\" ]; then $CMD clean test -Dtest=\"$package.$c\"; else $CMD clean test-compile -pl \"$m\" -am && $CMD test -pl \"$m\" -Dtest=\"$package.$c\"; fi; elif [ -f build.gradle ] || [ -f build.gradle.kts ] || [ -f settings.gradle ] || [ -f settings.gradle.kts ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/build.gradle\" ] || [ -f \"$md/build.gradle.kts\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; if [ \"$m\" = \".\" ]; then mp=\"\"; else mp=\":$(echo \"$m\" | tr '/' ':')\"; fi; [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD ${mp}:test --tests \"$package.$c\"; else >&2 echo 'No build tool found'; exit 1; fi;",
"use_new_terminal": false,
"reveal": "always",
"tags": ["java-test-class", "java-test-class-nested"],
Expand All @@ -40,9 +40,10 @@
},
{
"label": "Run tests",
"command": "if [ -f pom.xml ]; then [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; $CMD clean test; elif [ -f build.gradle ] || [ -f build.gradle.kts ]; then [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD test; else >&2 echo 'No build tool found'; exit 1; fi;",
"command": "f=\"$ZED_FILE\"; p=\"$PWD\"; d=$(dirname \"${f#$p/}\"); if [ -f pom.xml ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/pom.xml\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; [ -f ./mvnw ] && CMD=\"./mvnw\" || CMD=\"mvn\"; if [ \"$m\" = \".\" ]; then $CMD clean test; else $CMD clean test-compile -pl \"$m\" -am && $CMD test -pl \"$m\"; fi; elif [ -f build.gradle ] || [ -f build.gradle.kts ] || [ -f settings.gradle ] || [ -f settings.gradle.kts ]; then m=\".\"; md=\"$d\"; while [ \"$md\" != \".\" ] && [ \"$md\" != \"/\" ]; do if [ -f \"$md/build.gradle\" ] || [ -f \"$md/build.gradle.kts\" ]; then m=\"$md\"; break; fi; md=$(dirname \"$md\"); done; if [ \"$m\" = \".\" ]; then mp=\"\"; else mp=\":$(echo \"$m\" | tr '/' ':')\"; fi; [ -f ./gradlew ] && CMD=\"./gradlew\" || CMD=\"gradle\"; $CMD ${mp}:test; else >&2 echo 'No build tool found'; exit 1; fi;",
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@tartarughina tartarughina May 9, 2026

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Why are we first compiling the test to the run it for maven? Isn't that redundant?

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@drmaniac drmaniac May 11, 2026

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It's a workaround for Maven multi-module limitations. Since one module's tests may depend on another's, we must force a full build (test-compile -am) first. This ensures all dependencies are ready without wasting time running tests for every sub-module, which Maven (unlike Gradle) can't handle in one step.

"use_new_terminal": false,
"reveal": "always",
"tags": ["java-test-all"],
"shell": {
"with_arguments": {
"program": "/bin/sh",
Expand All @@ -55,6 +56,7 @@
"command": "cache_dir=\"\"; if [ -n \"$XDG_CACHE_HOME\" ]; then cache_dir=\"$XDG_CACHE_HOME\"; elif [ \"$(uname)\" = \"Darwin\" ]; then cache_dir=\"$HOME/Library/Caches\"; else cache_dir=\"$HOME/.cache\"; fi; found=$(find \"$cache_dir\" -maxdepth 1 -type d -name 'jdtls-*' 2>/dev/null); if [ -n \"$found\" ]; then echo \"$found\" | xargs rm -rf && echo 'JDTLS cache cleared. Restart the language server'; else echo 'No JDTLS cache found'; fi",
"use_new_terminal": false,
"reveal": "always",
"tags": ["java-clear-cache"],
"shell": {
"with_arguments": {
"program": "/bin/sh",
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